213451505

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{3083}}^1$

素因数の和:3376

約数の個数: 16

約数和(自身を含む): 261572544

約数和(自身を除く): 48121039

約数列:

[1, 5, 61, 227, 305, 1135, 3083, 13847, 15415, 69235, 188063, 699841, 940315, 3499205, 42690301, 213451505]

約数ペア:

[(1, 213451505), (5, 42690301), (61, 3499205), (227, 940315), (305, 699841), (1135, 188063), (3083, 69235), (13847, 15415)]